Lamp



FIG. 1 is a perspective view of a lamp showing my new design;

FIG. 2 is a front view thereof, the left, right, and back views being identical thereto;

FIG. 3 is a side view rotated 45 degrees relative to FIG. 2;

FIG. 4 is a bottom view thereof;

FIG. 5 is a second perspective view thereof; and,

FIG. 6 is a third perspective view thereof. 

CLAIM The ornamental design for a lamp, as shown and described. 